Grand Theft Auto IV, commonly referred to as GTA IV, is an action-adventure game developed by Rockstar North and published by Rockstar Games. Released in 2008, the game has become a classic in the gaming world. If you're looking to install or reinstall GTA IV on your computer, you may have come across the "GTA IV Setup.exe" file. In this article, we'll guide you through the process of setting up GTA IV using the Setup.exe file.